Lipper International Ceramic Ramekins, Set of 2, White Set of two ramekins Totally Unique! Made from durable stoneware, fired at 2147 degrees. The super high temperature ensures the highest quality for glazed cookware. This promotes browning and even distribution of heat for even cooking. Food can be cut directly in Lipperware's exceptionally tough surface with hard plastic utensils without scratching the surface. No Scrubbing. No soaking. You can wipe clean with soap and water. It is completely microwave and dishwasher safe. The non-stick coating is applies in two stages: first with primer and then with a top coating, making it the most advanced for non-stick cooking!